Oct 11, 2017 - Multiport valves are the main water route interchange for your pool water. If the water needs to be forwarded, reversed or drained out, it will . Mar 2, 2016 - Q: MULTIPORT VALVE IS LEAKING WATER AROUND THE COVER. A: When the leak is around the outside of the top, where the lid mates with the valve body. The first thing to check is that the system is not under unusually high pressure, from a dirty filter, closed return valves or plugged wall returns. If you have a leaking push-pull valve (also called a slide valve), chances are you just need to replace the plunger o-rings. If your multiport (usually 6-position) valve is leaking out the waste port (and possibly making a coiled blue snake of discharge hose), then you may have a need for a replacement spider gasket. Jul 11, 2011 - The Jandy Valve revolutionized pool plumbing when it was . If the grease cap on older models breaks off, the valve will leak air or water. Nov 2, 2012 - Multiport valve has water leaking out the top I believe. . I'm in the unique position of being remote enough that I have to learn to service many . Dec 28, 2017 - Backwash Valve Repair for Swimming Pools. Use this guide when working with backwash valves on sand and DE filters. Few things can . Apr 23, 2018 - The multiport valve is a swimming pool system's most important piece . When this gasket goes bad, it can cause leaking around the valve, or it .